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Source identification of urban airborne polycyclic aromatic hydrocarbons by gas chromatographic mass spectrometry and high resolution mass spectrometry.
Polycyclic aromatic hydrocarbons formed during the combustion of three common fuels (coal, wood and kerosene) were separated and identified by capillary-column gas chromatographic mass spectrometry… Expand
Retention indices for programmed-temperature capillary-column gas chromatography of polycyclic aromatic hydrocarbons
The heavy metal adsorption characteristics on metakaolin-based geopolymer
Abstract Since porous materials often function as adsorbents, this study chose to investigate the adsorption of heavy metals by geopolymers. The geopolymer was made by condensing a mixture of… Expand
Review of Recent Advances in Detection of Organic Markers in Fine Particulate Matter and Their Use for Source Apportionment
- L. Lin, M. Lee, D. Eatough
- Environmental Science, Medicine
- Journal of the Air & Waste Management Association
- 1 January 2010
ABSTRACT Fine particulate matter is believed to be more toxic than coarse particles and to exacerbate health problems such as respiratory and cardiopulmonary diseases. Specific organic compounds… Expand
Toxicity, accumulation, and elimination of polycyclic aromatic sulfur heterocycles inDaphnia magna
A series of polycyclic aromatic sulfur heterocycles (PASH) were compared to their sterically and structurally similar polycyclic aromatic hydrocarbons (PAH) for toxicity, bioconcentration, and… Expand
Geometric Approach to Factor Analysis for the Estimation of Orthogonality and Practical Peak Capacity in Comprehensive Two-Dimensional Separations
Procedures were developed for the estimation of orthogonality in two-dimensional (2D) separations. The parameters evaluated include peak spreading angle, retention correlation, and practical peak… Expand
Mutagenic activity of methyl-substituted tri- and tetracyclic aromatic sulfur heterocycles.
A number of polycyclic aromatic sulfur heterocycles have been identified in coal-derived products and in shale oils. The mutagenic activity of some of these compounds, including dibenzothiophene,… Expand
Miniature toroidal radio frequency ion trap mass analyzer
- S. Lammert, A. A. Rockwood, +6 authors Randall Waite
- Journal of the American Society for Mass…
A miniature ion trap mass analyzer is reported. The described analyzer is a 1/5-scale version of a previously reported toroidal radio frequency (rf) ion trap mass analyzer. The toroidal ion trap… Expand
Gas chromatography/mass spectrometric and nuclear magnetic resonance spectrometric studies of carcinogenic polynuclear aromatic hydrocarbons in tobacco and marijuana smoke condensates.
Microbial mutagenicity of 3- and 4-ring polycyclic aromatic sulfur heterocycles.
- R. Pelroy, D. Stewart, Y. Tominaga, M. Iwao, R. N. Castle, M. Lee
- Biology, Medicine
- Mutation research
- 1 April 1983
The stable isomers of 3- and 4-ring polycyclic aromatic sulfur heterocycles were tested for mutagenicity in the Ames standard plate incorporation test and a liquid pre-incubation modification of the… Expand